browserlist: cleanup

Change-Id: Iae59c7b435a4689a1ba6e96cfe3ceccb6bb7a2b3
diff --git a/client/package.json b/client/package.json
index df27980..56ad635 100644
--- a/client/package.json
+++ b/client/package.json
@@ -39,8 +39,7 @@
   "browserslist": {
     "production": [
       ">0.2%",
-      "not dead",
-      "not op_mini all"
+      "not dead"
     ],
     "development": [
       "last 1 chrome version",